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Finding the Fourth Proportional to 470,022.99, 648,005.34 and 373,548.97

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Solution

The fourth proportional to 470,022.99, 648,005.34 and 373,548.97 is: 514,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,022.99 : 648,005.34 = 373,548.97 : x
  2. Step 2: Convert to fraction form
    470,022.99/648,005.34 = 373,548.97/x
  3. Step 3: Cross multiply
    470,022.99x = 648,005.34 × 373,548.97
  4. Step 4: Simplify right side
    470,022.99x = 242,061,727,311.50
  5. Step 5: Solve for x
    x = 242,061,727,311.50/470,022.99
  6. Step 6: Final answer
    x = 514,999.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.